ITK
6.0.0
Insight Toolkit
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#include <itkFRPROptimizer.h>
Implements Fletch-Reeves & Polak-Ribiere optimization using dBrent line search.
This optimizer needs a cost function. This optimizer needs to be able to compute partial derivatives of the cost function with respect to each parameter.
The SetStepLength determines the initial distance to step in a line direction when bounding the minimum (using bracketing triple spaced using a derivative-based search strategy).
The StepTolerance terminates optimization when the parameter values are known to be within this (scaled) distance of the local extreme.
The ValueTolerance terminates optimization when the cost function values at the current parameters and at the local extreme are likely (within a second order approximation) to be within this is tolerance.
Definition at line 70 of file itkFRPROptimizer.h.
Public Member Functions | |
const char * | GetNameOfClass () const override |
void | SetToFletchReeves () |
void | SetToPolakRibiere () |
void | StartOptimization () override |
virtual void | SetUseUnitLengthGradient (bool _arg) |
virtual bool | GetUseUnitLengthGradient () const |
virtual void | UseUnitLengthGradientOn () |
Public Member Functions inherited from itk::PowellOptimizer | |
virtual const bool & | GetCatchGetValueException () const |
virtual const unsigned int & | GetCurrentIteration () const |
virtual const unsigned int & | GetCurrentLineIteration () const |
virtual const double & | GetMetricWorstPossibleValue () const |
const char * | GetNameOfClass () const override |
std::string | GetStopConditionDescription () const override |
virtual void | SetCatchGetValueException (bool _arg) |
virtual void | SetMetricWorstPossibleValue (double _arg) |
void | StartOptimization () override |
void | StopOptimization () |
virtual void | SetMaximize (bool _arg) |
virtual void | MaximizeOn () |
virtual const bool & | GetMaximize () const |
virtual void | SetMaximumIteration (unsigned int _arg) |
virtual const unsigned int & | GetMaximumIteration () const |
virtual void | SetMaximumLineIteration (unsigned int _arg) |
virtual unsigned int | GetMaximumLineIteration () const |
virtual void | SetStepLength (double _arg) |
virtual const double & | GetStepLength () const |
virtual void | SetStepTolerance (double _arg) |
virtual const double & | GetStepTolerance () const |
virtual void | SetValueTolerance (double _arg) |
virtual const double & | GetValueTolerance () const |
virtual const MeasureType & | GetCurrentCost () const |
MeasureType | GetValue () const |
Public Member Functions inherited from itk::SingleValuedNonLinearOptimizer | |
virtual CostFunctionType * | GetModifiableCostFunction () |
const char * | GetNameOfClass () const override |
MeasureType | GetValue (const ParametersType ¶meters) const |
virtual void | SetCostFunction (CostFunctionType *costFunction) |
const char * | GetNameOfClass () const override |
Public Member Functions inherited from itk::Optimizer | |
virtual const ParametersType & | GetCurrentPosition () const |
virtual const ParametersType & | GetInitialPosition () const |
const char * | GetNameOfClass () const override |
virtual std::string | GetStopConditionDescription () const |
virtual void | SetInitialPosition (const ParametersType ¶m) |
void | SetScales (const ScalesType &scales) |
virtual void | StartOptimization () |
virtual const ScalesType & | GetScales () const |
virtual const ScalesType & | GetInverseScales () const |
Public Member Functions inherited from itk::Object | |
unsigned long | AddObserver (const EventObject &event, Command *cmd) const |
unsigned long | AddObserver (const EventObject &event, std::function< void(const EventObject &)> function) const |
LightObject::Pointer | CreateAnother () const override |
virtual void | DebugOff () const |
virtual void | DebugOn () const |
Command * | GetCommand (unsigned long tag) |
bool | GetDebug () const |
MetaDataDictionary & | GetMetaDataDictionary () |
const MetaDataDictionary & | GetMetaDataDictionary () const |
virtual ModifiedTimeType | GetMTime () const |
const char * | GetNameOfClass () const override |
virtual const TimeStamp & | GetTimeStamp () const |
bool | HasObserver (const EventObject &event) const |
void | InvokeEvent (const EventObject &) |
void | InvokeEvent (const EventObject &) const |
virtual void | Modified () const |
void | Register () const override |
void | RemoveAllObservers () |
void | RemoveObserver (unsigned long tag) const |
void | SetDebug (bool debugFlag) const |
void | SetReferenceCount (int) override |
void | UnRegister () const noexcept override |
void | SetMetaDataDictionary (const MetaDataDictionary &rhs) |
void | SetMetaDataDictionary (MetaDataDictionary &&rrhs) |
virtual void | SetObjectName (std::string _arg) |
virtual const std::string & | GetObjectName () const |
Public Member Functions inherited from itk::LightObject | |
Pointer | Clone () const |
virtual Pointer | CreateAnother () const |
virtual void | Delete () |
virtual const char * | GetNameOfClass () const |
virtual int | GetReferenceCount () const |
void | Print (std::ostream &os, Indent indent=0) const |
virtual void | Register () const |
virtual void | SetReferenceCount (int) |
virtual void | UnRegister () const noexcept |
Static Public Member Functions | |
static Pointer | New () |
Static Public Member Functions inherited from itk::PowellOptimizer | |
static Pointer | New () |
Static Public Member Functions inherited from itk::SingleValuedNonLinearOptimizer | |
static Pointer | New () |
Static Public Member Functions inherited from itk::NonLinearOptimizer | |
static Pointer | New () |
Static Public Member Functions inherited from itk::Optimizer | |
static Pointer | New () |
Static Public Member Functions inherited from itk::Object | |
static bool | GetGlobalWarningDisplay () |
static void | GlobalWarningDisplayOff () |
static void | GlobalWarningDisplayOn () |
static Pointer | New () |
static void | SetGlobalWarningDisplay (bool val) |
Static Public Member Functions inherited from itk::LightObject | |
static void | BreakOnError () |
static Pointer | New () |
Protected Member Functions | |
FRPROptimizer () | |
virtual void | GetValueAndDerivative (ParametersType &p, double *val, ParametersType *xi) |
virtual void | LineOptimize (ParametersType *p, ParametersType &xi, double *val) |
virtual void | LineOptimize (ParametersType *p, ParametersType &xi, double *val, ParametersType &tempCoord) |
void | PrintSelf (std::ostream &os, Indent indent) const override |
~FRPROptimizer () override | |
Protected Member Functions inherited from itk::PowellOptimizer | |
virtual void | BracketedLineOptimize (double ax, double bx, double cx, double fa, double functionValueOfb, double fc, double *extX, double *extVal) |
virtual void | BracketedLineOptimize (double ax, double bx, double cx, double fa, double functionValueOfb, double fc, double *extX, double *extVal, ParametersType &tempCoord) |
double | GetLineValue (double x) const |
double | GetLineValue (double x, ParametersType &tempCoord) const |
virtual unsigned int | GetSpaceDimension () |
virtual bool | GetStop () |
virtual void | LineBracket (double *x1, double *x2, double *x3, double *f1, double *f2, double *f3) |
virtual void | LineBracket (double *x1, double *x2, double *x3, double *f1, double *f2, double *f3, ParametersType &tempCoord) |
PowellOptimizer () | |
PowellOptimizer (const PowellOptimizer &) | |
void | PrintSelf (std::ostream &os, Indent indent) const override |
virtual void | SetCurrentCost (double _arg) |
virtual void | SetCurrentIteration (unsigned int _arg) |
void | SetCurrentLinePoint (double x, double fx) |
void | SetLine (const ParametersType &origin, const vnl_vector< double > &direction) |
void | SetSpaceDimension (unsigned int dim) |
virtual void | SetStop (bool _arg) |
void | Shift (double *a, double *b, double *c, double d) const |
void | Swap (double *a, double *b) const |
~PowellOptimizer () override | |
Protected Member Functions inherited from itk::SingleValuedNonLinearOptimizer | |
void | PrintSelf (std::ostream &os, Indent indent) const override |
SingleValuedNonLinearOptimizer () | |
~SingleValuedNonLinearOptimizer () override=default | |
Protected Member Functions inherited from itk::NonLinearOptimizer | |
NonLinearOptimizer ()=default | |
~NonLinearOptimizer () override | |
Protected Member Functions inherited from itk::Optimizer | |
Optimizer () | |
void | PrintSelf (std::ostream &os, Indent indent) const override |
virtual void | SetCurrentPosition (const ParametersType ¶m) |
~Optimizer () override=default | |
Protected Member Functions inherited from itk::Object | |
Object () | |
bool | PrintObservers (std::ostream &os, Indent indent) const |
void | PrintSelf (std::ostream &os, Indent indent) const override |
virtual void | SetTimeStamp (const TimeStamp &timeStamp) |
~Object () override | |
Protected Member Functions inherited from itk::LightObject | |
virtual LightObject::Pointer | InternalClone () const |
LightObject () | |
virtual void | PrintHeader (std::ostream &os, Indent indent) const |
virtual void | PrintSelf (std::ostream &os, Indent indent) const |
virtual void | PrintTrailer (std::ostream &os, Indent indent) const |
virtual | ~LightObject () |
Private Types | |
using | OptimizationEnum = FRPROptimizerEnums::Optimization |
Private Attributes | |
OptimizationEnum | m_OptimizationType {} |
bool | m_UseUnitLengthGradient {} |
Additional Inherited Members | |
Protected Attributes inherited from itk::SingleValuedNonLinearOptimizer | |
CostFunctionPointer | m_CostFunction {} |
Protected Attributes inherited from itk::Optimizer | |
ParametersType | m_CurrentPosition {} |
bool | m_ScalesInitialized { false } |
Protected Attributes inherited from itk::LightObject | |
std::atomic< int > | m_ReferenceCount {} |
using itk::FRPROptimizer::ConstPointer = SmartPointer<const Self> |
Definition at line 78 of file itkFRPROptimizer.h.
Definition at line 90 of file itkFRPROptimizer.h.
Type of the Cost Function
Definition at line 89 of file itkFRPROptimizer.h.
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private |
Definition at line 130 of file itkFRPROptimizer.h.
Definition at line 80 of file itkFRPROptimizer.h.
using itk::FRPROptimizer::Pointer = SmartPointer<Self> |
Definition at line 77 of file itkFRPROptimizer.h.
Standard "Self" type alias.
Definition at line 75 of file itkFRPROptimizer.h.
Definition at line 76 of file itkFRPROptimizer.h.
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protected |
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overrideprotected |
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overridevirtual |
Reimplemented from itk::Object.
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virtual |
Convert gradient to a unit length vector
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protectedvirtual |
Get the value of the n-dimensional cost function at this scalar step distance along the current line direction from the current line origin. Line origin and distances are set via SetLine
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protectedvirtual |
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protectedvirtual |
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static |
Method for creation through the object factory.
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overrideprotectedvirtual |
Methods invoked by Print() to print information about the object including superclasses. Typically not called by the user (use Print() instead) but used in the hierarchical print process to combine the output of several classes.
Reimplemented from itk::Object.
void itk::FRPROptimizer::SetToFletchReeves | ( | ) |
Set it to the Fletch-Reeves optimizer
void itk::FRPROptimizer::SetToPolakRibiere | ( | ) |
Set it to the Fletch-Reeves optimizer
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virtual |
Convert gradient to a unit length vector
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overridevirtual |
Start optimization.
Reimplemented from itk::Optimizer.
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Convert gradient to a unit length vector
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private |
Definition at line 137 of file itkFRPROptimizer.h.
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private |
Definition at line 139 of file itkFRPROptimizer.h.